112121122001 has 8 divisors (see below), whose sum is σ = 128153545344. Its totient is φ = 96092478720.

The previous prime is 112121121991. The next prime is 112121122007. The reversal of 112121122001 is 100221121211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112121122001 - 2¹⁸ = 112120859857 is a prime.

It is a super-2 number, since 2×112121122001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112121122007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881165 + ... + 1000346.

It is an arithmetic number, because the mean of its divisors is an integer number (16019193168).

Almost surely, 2^112121122001 is an apocalyptic number.

It is an amenable number.

112121122001 is a deficient number, since it is larger than the sum of its proper divisors (16032423343).

112121122001 is an equidigital number, since it uses as much as digits as its factorization.

112121122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890031.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112121122001 its reverse (100221121211), we get a palindrome (212342243212).

The spelling of 112121122001 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred twenty-two thousand, one".